hermeticadj.密封的；与外界隔绝的；深奥的；炼金术的hermetically-sealed instrument密封仪器hermetically sealed construction密封结构Hermetically Sealed Microcircuit密封微电路hermetic reciprocating compressor全封闭活塞压缩机hermetic and insulating facilities密封保温设施hermetically-sealed construction密封结构hermetically sealed condensing unit密封式冷凝机hermetically sealed integrating gyro密封式积分陀螺仪hermetically sealed type transformator密封式变压器hermetically-sealed type transformer密封变压器,密封式变压器